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GWD-29-Q35

In Patton City, days are categorized as having heavy rainfall (more than two inches), moderate rainfall (more than one inch, but no more than two inches), light rainfall (at least a trace, but no more than one inch), or no rainfall.  In 1990, there were fewer days with light rainfall than in 1910 and fewer with moderate rainfall, yet total rainfall for the year was 20 percent higher in 1990 than in 1910.

 If the statements above are true, then it is also possible that in Patton City

  1. the number of days with heavy rainfall was lower in 1990 than in 1910

  2. the number of days with some rainfall, but no more than two inches, was the same in 1990 as in 1910

  3. the number of days with some rainfall, but no more than two inches, was higher in 1990 than in 1910

  4. the total number of inches of rain that fell on days with moderate rainfall in 1990 was more than twice what it had been in 1910

  5. the average amount of rainfall per month was lower in 1990 than in 1910

答案是A. 想不明白.最先排除的就是A.小雨和中雨的天数都比1910少,而雨量又是1990比1910大,应该1990的大雨天数多才对啊

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这道题前人有过讨论的.楼主可以搜一下.

主要是注意原文里的"降水量和降雨天数没关",不要把它们弄混了.A的情况是有可能发生的.其它几个都从原文推不出来.

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原来是重题!已经明白了,谢谢斑斑!!!!!!

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D为何不可能呢?

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D中the total number of inches of rain that fell on days with moderate rainfallin 1990  与 the total numberhad been in 1910  相比

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